diff options
Diffstat (limited to 'activerecord/test/cases/associations/inverse_associations_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/inverse_associations_test.rb | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/activerecord/test/cases/associations/inverse_associations_test.rb b/activerecord/test/cases/associations/inverse_associations_test.rb index b1f0be3204..893030345f 100644 --- a/activerecord/test/cases/associations/inverse_associations_test.rb +++ b/activerecord/test/cases/associations/inverse_associations_test.rb @@ -9,10 +9,24 @@ require 'models/rating' require 'models/comment' require 'models/car' require 'models/bulb' +require 'models/mixed_case_monkey' class AutomaticInverseFindingTests < ActiveRecord::TestCase fixtures :ratings, :comments, :cars + def test_has_one_and_belongs_to_should_find_inverse_automatically_on_multiple_word_name + monkey_reflection = MixedCaseMonkey.reflect_on_association(:man) + man_reflection = Man.reflect_on_association(:mixed_case_monkey) + + assert_respond_to monkey_reflection, :has_inverse? + assert monkey_reflection.has_inverse?, "The monkey reflection should have an inverse" + assert_equal man_reflection, monkey_reflection.inverse_of, "The monkey reflection's inverse should be the man reflection" + + assert_respond_to man_reflection, :has_inverse? + assert man_reflection.has_inverse?, "The man reflection should have an inverse" + assert_equal monkey_reflection, man_reflection.inverse_of, "The man reflection's inverse should be the monkey reflection" + end + def test_has_one_and_belongs_to_should_find_inverse_automatically car_reflection = Car.reflect_on_association(:bulb) bulb_reflection = Bulb.reflect_on_association(:car) @@ -401,10 +415,22 @@ class InverseHasManyTests < ActiveRecord::TestCase assert_equal man.name, man.interests.find(interest.id).man.name, "The name of the man should match after the child name is changed" end + def test_find_on_child_instance_with_id_should_not_load_all_child_records + man = Man.create! + interest = Interest.create!(man: man) + + man.interests.find(interest.id) + assert_not man.interests.loaded? + end + def test_raise_record_not_found_error_when_invalid_ids_are_passed + # delete all interest records to ensure that hard coded invalid_id(s) + # are indeed invalid. + Interest.delete_all + man = Man.create! - invalid_id = 2394823094892348920348523452345 + invalid_id = 245324523 assert_raise(ActiveRecord::RecordNotFound) { man.interests.find(invalid_id) } invalid_ids = [8432342, 2390102913, 2453245234523452] @@ -420,6 +446,19 @@ class InverseHasManyTests < ActiveRecord::TestCase def test_trying_to_use_inverses_that_dont_exist_should_raise_an_error assert_raise(ActiveRecord::InverseOfAssociationNotFoundError) { Man.first.secret_interests } end + + def test_child_instance_should_point_to_parent_without_saving + man = Man.new + i = Interest.create(:topic => 'Industrial Revolution Re-enactment') + + man.interests << i + assert_not_nil i.man + + i.man.name = "Charles" + assert_equal i.man.name, man.name + + assert !man.persisted? + end end class InverseBelongsToTests < ActiveRecord::TestCase @@ -564,6 +603,18 @@ class InversePolymorphicBelongsToTests < ActiveRecord::TestCase assert_equal face.description, new_man.polymorphic_face.description, "Description of face should be the same after changes to replaced-parent-owned instance" end + def test_inversed_instance_should_not_be_reloaded_after_stale_state_changed + new_man = Man.new + face = Face.new + new_man.face = face + + old_inversed_man = face.man + new_man.save! + new_inversed_man = face.man + + assert_equal old_inversed_man.object_id, new_inversed_man.object_id + end + def test_should_not_try_to_set_inverse_instances_when_the_inverse_is_a_has_many i = interests(:llama_wrangling) m = i.polymorphic_man |